Source : Webster's Revised Unabridged Dictionary (1913)

Wex \Wex\, v. t. & i.
   To grow; to wax. [Obs.] --Chaucer. ``Each wexing moon.''
   --Dryden.

Wex \Wex\, obs. imp. of {Wex}.
   Waxed. --Chaucer.

Wex \Wex\, n.
   Wax. [Obs.] ``Yelwe as wex.'' --Chaucer.